This shift in norms is responsible for finally popularizing videocalling. The technology for the videophone has been available since the 1960s—it’s just a telephone spliced with a television, after all. Pundits kept predicting it, but it never seemed to catch on. The problem with videocalling was that it faced an insurmountable social obstacle: with a robust norm of always answering a ringing phone and no efficient way to plan a phone call except via the same medium, the risk was too great of catching someone unclothed or with a messy house in the background. Picking up a videocall out of the
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